@Book{BVMC:1050886, author = {Ibarra y Rodríguez, Eduardo}, title = {Tarjeta postal de Eduardo Ibarra a Rafael Altamira. Zaragoza, 6 de marzo de 1912}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2020}, year = {2020}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc1050886} }